more minor typo fixes

docs/django-admin/roles.md

@@ -19,7 +19,7 @@ To do this, do the following:
 3. Click on their username, then scroll down to the `User Permissions` section.
 4. Under `User Permissions`, see the `Groups` table which has a column for `Available groups` and `Chosen groups`. Select the permission you want from the `Available groups` column and click the right arrow to move it to the  `Chosen groups`. Note, if you want this user to be an analyst select `cisa_analysts_group`, otherwise select the `full_access_group`.
 5. (Optional) If the user needs access to django admin (such as an analyst), then you will also need to make sure "Staff Status" is checked. This can be found in the same `User Permissions` section right below the checkbox for `Active`.
-6. Click `Save` to apply all changes
+6. Click `Save` to apply all changes.
 
 ## Removing a user group permission via django-admin
 
@@ -30,7 +30,7 @@ If an employee was given the wrong permissions or has had a change in roles that
 3. In this table, select the permission you want to remove from the `Chosen groups` and then click the left facing arrow to move the permission to `Available groups`.
 4. Depending on the scenario you may now need to add the opposite permission group to the `Chosen groups` section, please see the section above for instructions on how to do that.
 5. If the user should no longer see the admin page, you must ensure that under `User Permissions`, `Staff status` is NOT checked.
-6. Click `Save` to apply all changes
+6. Click `Save` to apply all changes.
 
 ## Editing group permissions through code
 
@@ -40,4 +40,4 @@ We can edit and deploy new group permissions by:
 2. Duplicating migration `0036_create_groups_01`
 and running migrations (append the name with a version number
 to help django detect the migration eg 0037_create_groups_02)
-3. Making sure to update the dependency on the new migration with the previous migration
+3. Making sure to update the dependency on the new migration with the previous migration.